Home / 47,780.58-71,672.97-14,505.30

Finding the Fourth Proportional to 47,780.58, 71,672.97 and 14,505.30

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Solution

The fourth proportional to 47,780.58, 71,672.97 and 14,505.30 is: 21,758.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780.58 : 71,672.97 = 14,505.30 : x
  2. Step 2: Convert to fraction form
    47,780.58/71,672.97 = 14,505.30/x
  3. Step 3: Cross multiply
    47,780.58x = 71,672.97 × 14,505.30
  4. Step 4: Simplify right side
    47,780.58x = 1,039,637,931.74
  5. Step 5: Solve for x
    x = 1,039,637,931.74/47,780.58
  6. Step 6: Final answer
    x = 21,758.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.